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Found 12 results

  1. Hi! I'm exploring the AnalogIn_Record.py example provided in waveforms (DWF version 3.14.2) and noticed the following behavior: If I reduce the nSamples to less than 8194 on line 29, the program gets stuck in the acquisition loop. If I increase the frequency to 10MHz (line 28) , and take for example 1000 samples (line 29), I get unexpected sample values in the plot: Is this behavior expected? Kind regards
  2. Hi, I have a question about Waveforms 3 API relevant to the oversampling functionality implemented in Analog Discovery 2. Recently, I am trying to implement the oversampling functionality for my custom-coded software (written in C#) using Waveforms 3 APIs (3.12.2). Based on the reference manual in the SDK, I think that the relevant APIs are “FDwfAnalogInAcquisitionModeSet”, “FDwfAnalogInSamplingDelaySet”, and/or “FDwfAnalogInTriggerPositionSet”. I also found the (seemingly) relevant constants for the first function as follows: “acqmodeOvers = 4” or “acqmodeSingle1 = 5” in “dwf.cs” an
  3. Hello, I am having issues with my analog discovery 2. When I try accessing the device in the device manager of waveforms, I keep getting the same error code listed below. I have tried redownloading the waveforms software, but this hasn't fixed the issue. Any help would be greatly appreciated. Thanks for the help!
  4. Greetings, I am working on a project using the Pattern Generator and Logic Analyzer functions of Analog Discovery 2. I'm trying to figure out the proper arrangements of bits to be assigned to the Pattern Generator so that the Logic Analyzer can receive it in UART format properly. Let's say I want to transmit the word "UART" using the Pattern Generator. Here's how I'm doing it using the Custom Signal setting in the Pattern Generator: The bits highlighted in green are the start and stop bits while those in yellow are the inverted data bits of the word "UART". I also adj
  5. Greetings! I'm working on a project involving the use of the AD2's Logic Analyzer Function. I need to receive 510 bytes of data in the shortest time possible. My questions are: 1). Can the Single/Repeated Acquisition Mode of the Logic Analyzer handle 510 bytes of data? - I observed that it can only handle up to 4096 samples and 1 byte of the data I'm handling is 10 bits (1 start bit, 8 data bits, 1 stop bit). So all in all, the Single/Repeated Acquisition Mode can only handle 409 bytes of data. Is there a way to make it capable of handling 510 bytes of data? 2). What
  6. Greetings, Is there a way to receive 0/1 values for the captured samples using FDwfDigitalInStatusData? I tried transmitting ASCII "a" but the result for each channel is different. I expected and wanted a result of Binary (1000 0110) using ASCII "a", but the actual result that I got was different for each DIO channels. Actual result using DIO #0 = (1)000 0(1)(1)0 Actual result using DIO #1 = (2)000 0(2)(2)0 Actual result using DIO #2 = (4)000 0(4)(4)0 Actual result using DIO #7 = (128)000 0(128)(128
  7. Greetings, I am creating a VBA Macro Script to enable the Pattern Generator function of Analog Discovery 2 for parallel transmission of data. I've already created a VB6 Wrapper (Pattern_Generator) containing these two files: 1). Pattern Generator Wrapper.txt(Calls APIs from dwf.vb) 2). dwf.vb I've referenced it to a VBA Script to call those functions using this snippet of codes: Public TxWrapper As Pattern_Generator.ComClass1 Public Function PatGenForTx() Set TxWrapper = New Pattern_Generator.ComClass1 'PatGen Parameters Dim rgBits1 As String: rgBits1 = "UART"
  8. Hello, I am working on a project that uses the Analog Discovery 2 to measure the response of a DUT over a long period (hours or days). I am working in LabVIEW and have been building this project using the foundation provided in the LabVIEW project shared here. It uses both the Waveform Generator functionality to apply a signal and the Scope functionality to measure the response. Currently, I am running into a problem where my code stops working after 250 minutes. It seems to be very consistent. I and another have replicated the issue using multiple AD2 devices, multiple PCs, and
  9. Hello Digilent Forums, I am trying to write a Python script for the impedance analyzer. I am reading the WaveForms SDK and following examples. I noticed all methods in the examples that use the dwf (Ex: `dwf.FDwfDeviceOpen`) use positional arguments. In the SDK, it lists the parameter names/types for the method (Ex: `FDwfDeviceOpen(int idxDevice, HDWF *phdwf)`). I have tried and failed to figure out how to specify them using keyword arguments instead. Is it possible? Thank you in advance for your help!
  10. I would like to use the Analog Discovery 2 to look at the carrier signal coming in from an AM broadcast station. To do this I would need to tune or filter the many signals coming in on my antenna down to one station of interest. I am thinking that this type of tuning is not something that the AD2 can do. Is this correct? Does anyone know of a simple device that can act as a front end to the AD2 to tune and perhaps amplify the signal in this way? I have looked into SDR's that are very focused on doing just this but I am not seeing how I can extract the carrier signal before it goes to mixi
  11. I've followed the directions for updating the driver in this forum, no luck. I get a device cannot start when updating the drivers. No LEDs light in the Analog Discover 2. I get a "USB Device not Recognized". My AD2 has worked for a long time on 3 computers, now it's quite dead. It was working just before I shut down my computer while Win 10 updates were lurking. It could be the AD2 was starting to fail. It was constantly getting disconnected. Any ideas? Thanks, Mike Yee
  12. Is it possible to fill the buffer of a Scope Math channel from a script? Scope1.Math1.data[i] = some value Thanks in advance, Greg